I. IiNkcazelo zoKhuseleko oluPhambili kwiiKhabhinethi zoMbane oPhantsi{1}
Iinkcukacha zomgama wokhuseleko-iikhabhathi zevoltage zisekelwe ikakhulu kwimigangatho yesizwe "GB/T 7251.1{2}}2017 Low{4}}I-Voltage Switchgear kunye ne-Controlgear Assemblies" kunye ne-"GB 50054-2011 IiNkcazelo zoYilo loSasazo lwaMandla aphantsi-Voltge." Iimfuno ezikhethekileyo zamanani zezi zilandelayo:
1. Umgama ongaphambili wokusebenza: Ubuncinci be-800mm (ikhabhathi emiselweyo) okanye i-1000mm (idrawa{3}} yohlobo lwekhabhinethi), ukuqinisekisa indawo yokusebenza eyaneleyo yabasebenzi besondlo xa begquma okanye bemile (kubhekiselwa kwi-GB 50054, iCandelo 4.2.5).
2. Umgama wokulungisa ngasemva: Ubuncinane yi-600mm, okanye ubuncinane yi-800mm ukuba kufuneka kungene ucango olungasemva.
3. Ububanzi bomzila osecaleni: Kumalungiselelo aphindwe -emiqolo, umgama phakathi kweekhabhathi kufuneka ubuncinci ube yi-1000mm; kuluhlu -kuluhlu olulodwa eludongeni, ubuncinane i-200mm yococeko mayishiywe emacaleni.
Amanqaku awongezelelweyo:
- I-800mm yokukhutshwa ngaphambili isekelwe kumndilili wobude bengalo yabantu abadala (malunga ne-700mm), kunye nesibonelelo sokuphatha isixhobo.
- Idrowa{1}}iintlobo zekhabhathi zifuna imvume eyongezelelweyo kuba iidrowa kufuneka zandiswe ngokupheleleyo.
II. IiMfuno eziKhethekileyo zoSulelo loKhuseleko Phezulu{1}}kwiKhabhinethi zoMbane
Ucoceko lokhuseleko olungaphezulu-kwiikhabhathi zevoltage eziphantsi luhlala lungahoywa, kodwa lubeka imingcipheko yokulahla ubushushu kunye{1}}nokwahlukaniswa okuphezulu kwevoltage:
1. UCaciso oluPhezulu:
- Iikhabhathi ezikumgangatho ophantsi{1}}zombane: Enkulu kuno okanye ilingana ne-300mm (imfuneko yokulahla ubushushu);
- Xa ibhasi yebhasi ephezulu{1}}yevoltage iphezu kwekhabhinethi: Enkulu kuno okanye ilingana ne-1200mm (ikhankanywe kwiCandelo 4.3.3 le-GB 50054).
2. Ufakelo lweTreyi yeCable Kuwo wonke amaKhabhinethi: Ukuba iitreyi zekhebula zifakwe kuphahla lwekhabhinethi, umgama phakathi kwetreyi yentambo kunye nophahla lwekhabhinethi kufuneka ube Mkhulu okanye ulingane ne-150mm ukuthintela ukuhanjiswa kobushushu ekuchaphazeleni ukusebenza kwesixhobo.